package day0723;

import java.util.Scanner;

public class Test2 {
    public static void main(String[] args) {
        Scanner s=new Scanner(System.in);
        //      true
        for(    ; 1<2  ; ){
            System.out.println("请输入数字");
            int n=s.nextInt();
            if(n<0){
                break;
            }

            if(n%2==0){
                System.out.println("偶数");
            }else{
                System.out.println("奇数");
            }

        }
    }
}
